NetApp BES-53248, Руководство по установке

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Airflow Direction
The switch ships with four fan modules and two AC power supplies. The direction of
the airflow varies depending on the color of the fan module handle/plug retainer.
•
Red: indicates front-to-back airflow (air inlet module).
•
Blue: indicates back-to-front airflow (air outlet module).
CAUTION
•
Do not mix power supplies and fan modules with different airflow in the
same chassis.
Front-to-Back Airflow
The air intake is located on the front panel of the switch. The cool air is sucked in
from outside the chassis and pushed toward the rear of the chassis. The hot air
exhausts through the vents on the rear panel of the switch.
Back-to-Front Airflow
The air intake is located on the rear panel of the switch. The cool air is sucked in
from outside the chassis and pushed toward the front of the chassis. The hot air
exhausts through the vents on the front panel of the switch.
Operating Environment
BES-53248 is restricted to be operated during the temperature 0~45°C, 90%
maximum relative humidity, and 0 to 2952 ft operating altitude.
Acoustic Report
BES-53248 sound power value is shown below:
Fan speed 40 duty ---->73 dBA
Fan speed 70 duty ---->84.3 dBA
Fan speed 100 duty ---->92.2 dBA
21 Network Switch Installation Guide